3 years ago

Plz help I’m begging you !

Mathematics

1 answer:

Vedmedyk [2.9K]3 years ago

8 0

Answer:

23%

Step-by-step explanation:

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50x29=1/2 of _ x29 plz help this is so hard

Kitty [74]

The blank is 25.

Tip: There is already 25, so there is only 50. But they want half so, half of 50 is 25.

I hope you understand.

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3 years ago

The cost of producing x soccer balls in thousands of dollars is represented by h(x) = 5x + 6. The revenue is represented by k(x)

Korolek [52]

(9x-2) - (5x+6) =

4x-8 , this is your profit function

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To convert gallons to quarts, multiply by the conversion rate of 4qt /1gal <br><br> true or false

erma4kov [3.2K]

The answer is 100% TRUE

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4 years ago

Explain whether the following given sets are closed under addition:

Ivan

Answer:

Step-by-step explanation:

a) Yes.

$\forall\ a,b\ \in\ B,\ a+b\in B\ (since\ 0+0=0)$

b) Yes

$W=\{0,1,2,3,..,\}\ (whole\ numbers)\\\forall\ a,b\ \in\ 3W,\ a+b\in 3W\\since:\\a\ \in\ 3W \Longrightarrow\ \exists\ k_1\in W | a=3*k_1\\\\b\ \in\ 3W \Longrightarrow\ \exists\ k_2\in W | b=3*k_2\\\\a+b=3*k_1+3*k_2=3*(k_1+k_2) \in 3W\\$

c) Yes

$\forall n\ \in\ \mathbb{N}: \Longrightarrow\ n+1 \in\ \mathbb{N}\\$

d) No

$3\in V , 3+3=6\notin V\\$

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3 years ago

Can anyone identify the two variables

valentina_108 [34]

The two variables are time (x) and distance (y)

And the answer is they will meet after 1 mile

The function of the aunt and uncle is y=25x+5

The function of yourself is y2=30x

Since you want to know when you’ll meet, you just resolve y=y2 or 25x+5=30x

Wich will be x=1 so 1 mile

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3 years ago